#lambda 行数
f = lambda x:x*5
print(f(8))
d = [{'name':'zhang','age':4,'gender':0},{'name':'li','age':8,'gender':0},{'name':'yu','age':7,'gender':0}]
d.sort(key=lambda x:x['age'],reverse=True)
print(d)

s = [(9,4,5),(9,0,8),(4,5,6),(14,20,88)]
#s.sort(key=lambda x:x[0],reverse=True)
s.sort(key=lambda x:x[2],reverse=True)
print(s)
